| Cultivar Name |
Name Registered=R |
Cultivar Parentage |
| Octopetala |
|
aurigeranum x (Dr. Hermann Sleumer x leucogigas) |
| Ok Tedi Gold |
R |
Tropic Glow x laetum |
| Oldham's Theressa |
R |
suaveolens x Great Scentsation |
| Olivia Knight |
R |
tuba x Rangitoto Rose |
| Olivia Manson |
R |
Simbu Sunset x luraluense |
| Oogappel |
R |
[(macgregoriae x laetum) x saxifragoides]#2 x saxifragoides hybrid #2 |
| Ophelia |
R |
javanicum x Princess Alexandra |
| Orange Cascade |
|
christianae x unknown |
| Orange Flambe |
|
unknown |
| Orange Glow |
|
macgregoriae x stenophyllum |
| Orange Harmony |
R |
Sweet Wendy x javanicum |
| Orange Ice |
R |
unknown |
| Orangemaid |
R |
laetum x macgregoriae |
| Orange Queen |
|
Salmon Sensation x javanicum |
| Orangerie Bay |
|
viriosum x culminicolum |
| Orange Smoothie |
|
(intranervatum x Pink Delight) x javanicum |
| Orange Wax |
R |
unknown |
| Oriana |
|
macgregoriae x laetum |
| Oriental Orange |
R |
aurigeranum x unknown |
| Our Dorothy |
R |
Lord of the Rings x Pink Jazz |
| Our Joshua |
R |
Dr. Hermann Sleumer x superbum |
| Our Kathryn |
R |
White Rajah x Highland White Jade |
| Our Marcia |
R |
(Dr. Hermann Sleumer x herzogii) x (laetum x aurigeranum) |
| Our Margaret |
R |
(christianae x viriosum) x zoelleri |
| Our Mary |
R |
zoelleri x Dr. Hermann Sleumer |
| Our Pindi Pearl |
|
|
| Our Snowy River |
R |
Arthur's Choice’ x superbum |
| Our Waltzing Matilda |
R |
Arthur's Choice x Gardenia Odyssey |
| Overflow |
R |
(christianae x viriosum) x (christianae x viriosum) |
